443
FZUS51 KLWX 191635
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1134 AM EST Sun Jan 19 2025

Tidal Potomac River and Maryland portion of Chesapeake Bay.

Forecasts of wave heights do not include effects of wind direction
relative to tidal currents. Expect higher waves when winds are
blowing against the tidal flow.  Waves flat where waters are iced over.

ANZ500-192100-
1134 AM EST Sun Jan 19 2025

.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...

Low pressure will gather strength as it passes up the coast tonight.
 Arctic high pressure will follow for much of the week as one or
more  waves of low pressure develop to the south. Small Craft
Advisories  will likely be needed through Tuesday. Freezing Spray is
also  possible tonight through Monday, especially across the wider
waters.

$$

ANZ535-192100-
Tidal Potomac from Key Bridge to Indian Head-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...NE winds 10 kt...becoming N with gusts to 20 kt
late. Waves 1 ft. Sleet. Rain and snow. Vsby 1 to 3 NM...decreasing
to 1 NM or less this afternoon.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.MON...NW winds 10 to 15 kt. Gusts up to 20 kt... increasing to
30 kt in the late morning and afternoon. Waves 1 ft.
.MON NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds around 5 kt. Waves 1 ft.
.TUE NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of snow.
.WED...NW winds 5 to 10 kt...becoming SE. Waves 1 ft.
.THU...SW winds around 5 kt. Waves 1 ft.

$$

ANZ536-192100-
Tidal Potomac from Indian Head to Cobb Island-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...NE winds 10 kt...becoming N late. Gusts up to
20 kt. Waves 1 to 2 ft. Snow. Rain and sleet. Vsby 1 to 3 NM.
.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.TUE...W winds around 5 kt. Waves 1 ft.
.TUE NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of snow.
.WED...N winds 5 to 10 kt...becoming S after midnight. Waves 1 ft.
.THU...SW winds 5 kt. Waves less than 1 ft.

$$

ANZ537-192100-
Tidal Potomac from Cobb Island to Smith Point-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...NE winds 5 to 10 kt...becoming N 15 kt with gusts
to 20 kt late. Waves 1 to 2 ft. A slight chance of snow. Rain and
sleet. Vsby 1 to 3 NM.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 kt...becoming N 10 to 15 kt with gusts to
20 kt after midnight. Waves 1 to 2 ft. A chance of snow.
.WED...N winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft after midnight.
.THU...SW winds 5 to 10 kt...becoming N. Waves 1 ft.

$$

ANZ530-192100-
Chesapeake Bay north of Pooles Island-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...NE winds 5 to 10 kt...becoming N 15 kt with gusts
to 20 kt late. Waves 1 to 2 ft. Snow, a slight chance of rain and
sleet late this morning, then snow with a slight chance of rain this
afternoon. Vsby 1 to 3 NM... decreasing to 1 NM or less this
afternoon.
.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Snow. Vsby 1 NM or less.
.MON...W winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of snow.
.WED...NW winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.
.THU...SE winds around 5 kt. Waves 1 ft.

$$

ANZ531-192100-
Chesapeake Bay from Pooles Island to Sandy Point-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...NE winds 5 to 10 kt...becoming N 15 kt with gusts
to 25 kt late. Waves 1 to 2 ft...building to 3 ft late. A slight
chance of sleet. Snow with a slight chance of rain. Vsby 1 to 3 NM...
decreasing to 1 NM or less this afternoon.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. A
chance of snow. Vsby 1 NM or less.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves 1 to 2 ft. A chance of snow.
.WED...NW winds 10 to 15 kt...becoming E around 5 kt. Waves 1 to
2 ft.
.THU...S winds 5 to 10 kt...becoming N. Waves 1 ft.

$$

ANZ538-192100-
Patapsco River including Baltimore Harbor-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...Light winds...becoming N 10 to 15 kt with gusts to
20 kt this afternoon. Waves 1 to 2 ft. Rain, snow and sleet late
this morning, then snow, a slight chance of rain and sleet this
afternoon. Vsby 1 to 3 NM...decreasing to 1 NM or less this
afternoon.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Snow. Vsby 1 NM or less.
.MON...W winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.MON NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.TUE...W winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less. A chance of
snow.
.WED...NW winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft
or less.
.THU...SW winds 5 kt. Waves less than 1 ft.

$$

ANZ539-192100-
Chester River to Queenstown MD-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...N winds 5 to 10 kt...increasing to 15 kt with gusts
to 25 kt late. Waves 1 ft...building to 3 ft late. Snow. Rain and
sleet late this morning, then a slight chance of rain and sleet this
afternoon. Vsby 1 to 3 NM.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft.
Snow. Vsby 1 to 3 NM.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 2 to 3 ft.
.TUE...W winds 5 to 10 kt. Waves 1 to 2 ft.
.TUE NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves 1 to 2 ft. A chance of snow.
.WED...NW winds 10 to 15 kt...becoming E 5 kt. Waves 1 to 2 ft.
.THU...SE winds 5 kt...becoming NW after midnight. Waves 1 ft.

$$

ANZ532-192100-
Chesapeake Bay from Sandy Point to North Beach-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...N winds 5 to 10 kt...increasing to 20 kt with gusts
to 25 kt late. Waves 1 to 2 ft...building to 3 ft late. Rain and
sleet with snow likely late this morning, then snow, a slight chance
of rain and sleet this afternoon. Vsby 1 to 3 NM.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft.
Snow. Vsby 1 to 3 NM.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.TUE...NW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves 1 to 2 ft. A chance of snow.
.WED...NW winds 10 to 15 kt...becoming E around 5 kt. Waves 1 to
2 ft.
.THU...S winds 5 to 10 kt...becoming N. Waves 1 ft.

$$

ANZ540-192100-
Eastern Bay-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...N winds 5 to 10 kt...increasing to 15 kt with gusts
to 25 kt late. Waves 1 to 2 ft. Rain, snow and sleet. Vsby 1 to
3 NM.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
Snow. Vsby 1 to 3 NM.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...NW winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves 1 to 2 ft. A chance of snow.
.WED...NW winds 10 to 15 kt...becoming E 5 kt. Waves 1 to 2 ft.
.THU...S winds 5 to 10 kt...becoming N. Waves 1 ft or less.

$$

ANZ533-192100-
Chesapeake Bay from North Beach to Drum Point-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...N winds 5 to 10 kt...increasing to 20 kt with gusts
to 25 kt late. Waves 1 to 2 ft...building to 4 ft late. Rain, sleet
likely with a slight chance of snow late this morning, then rain,
snow and sleet this afternoon. Vsby 1 to 3 NM.
.TONIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.TUE...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.TUE NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft...
building to 3 ft after midnight. A chance of snow.
.WED...N winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft after midnight.
.THU...S winds 5 to 10 kt...becoming N. Waves 1 ft.

$$

ANZ541-192100-
Choptank River to Cambridge MD and the Little Choptank River-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...N winds 5 to 10 kt...increasing to 20 kt with gusts
to 25 kt late. Waves 1 ft...building to 3 ft late. Rain, sleet
likely with a slight chance of snow late this morning, then rain,
snow and sleet this afternoon. Vsby 1 to 3 NM.
.TONIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
Snow. Vsby 1 to 3 NM.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.TUE...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.TUE NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of snow.
.WED...N winds 10 to 15 kt...becoming E 5 to 10 kt. Waves 1 to 2 ft.
.THU...S winds 5 to 10 kt...becoming N. Waves 1 ft.

$$

ANZ542-192100-
Patuxent River to Broomes Island MD-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...N winds 5 to 10 kt...increasing to 15 kt with gusts
to 20 kt late. Waves 1 to 2 ft. Rain and sleet likely late this
morning, then rain, sleet and snow this afternoon with vsby 1 to
3 NM.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.MON...NW winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.MON NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 kt...becoming NW 10 to 15 kt with gusts to
20 kt after midnight. Waves 1 ft. A chance of snow.
.WED...N winds 10 to 15 kt...becoming E 5 kt. Waves 1 ft.
.THU...S winds 5 kt...becoming NW after midnight. Waves 1 ft.

$$

ANZ534-192100-
Chesapeake Bay from Drum Point to Smith Point-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...NE winds 5 to 10 kt...becoming N 15 kt with gusts
to 20 kt late. Waves 1 ft...building to 3 ft late. A slight chance
of snow. A chance of rain and sleet late this morning, then rain and
sleet this afternoon. Vsby 1 to 3 NM.
.TONIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 5 ft.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft.
.TUE...N winds 10 to 15 kt. Waves 2 ft.
.TUE NIGHT...NE winds 5 to 10 kt...becoming N 15 to 20 kt after
midnight. Waves 1 ft...building to 3 ft after midnight. A chance of
snow.
.WED...N winds 15 to 20 kt...becoming NE 5 to 10 kt. Waves 3 ft...
subsiding to 2 ft after midnight.
.THU...SE winds 5 to 10 kt...becoming N. Waves 1 ft.

$$

ANZ543-192100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1134 AM EST Sun Jan 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.REST OF TODAY...NE winds 5 to 10 kt...becoming N 15 kt with gusts
to 20 kt late. Waves 1 to 2 ft. A slight chance of snow. A chance of
rain and sleet late this morning, then rain and sleet this
afternoon. Vsby 1 to 3 NM.
.TONIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.MON NIGHT...NW winds 15 to 20 kt. Waves 2 ft.
.TUE...N winds 5 to 10 kt. Waves 1 ft.
.TUE NIGHT...NE winds 5 to 10 kt...becoming N 15 to 20 kt after
midnight. Waves 1 to 2 ft. A chance of snow.
.WED...N winds 15 to 20 kt...becoming NE 5 to 10 kt. Waves 1 to
2 ft.
.THU...E winds 5 to 10 kt...becoming NW. Waves 1 ft. A chance of
snow in the evening.

$$